Protein Name:
Actin-related protein 2/3 complex subunit 1B
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UniprotKB/SwissProt ID: O15143 (O15143)
Gene Name:
ARPC1B
Organism: Homo sapiens (Human)
Function: Component of the Arp2/3 complex, a multiprotein complex that mediates actin polymerization upon stimulation by nucleation-promoting factor (NPF) (PubMed:11741539, PubMed:9230079). The Arp2/3 complex mediates the formation of branched actin networks in the cytoplasm, providing the force for cell motility (PubMed:11741539, PubMed:9230079). In addition to its role in the cytoplasmic cytoskeleton, the Arp2/3 complex also promotes actin polymerization in the nucleus, thereby regulating gene transcription and repair of damaged DNA (PubMed:29925947). The Arp2/3 complex promotes homologous recombination (HR) repair in response to DNA damage by promoting nuclear actin polymerization, leading to drive motility of double-strand breaks (DSBs) (PubMed:29925947)
Other Modifications: View all modification sites in dbPTM
Protein Subcellular Localization: Cytoplasm, cytoskeleton. Nucleus
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Graphical Visualization of S-nitrosylation Sites:
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The S-nitrosylation sites of O15143
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| No. |
Position |
S-nitrosylated Peptide |
Secondary Structure of S-nitrosylated Peptide |
Solvent Accessibility of nitrosylated Site |
PubMed ID |
| 1 |
227 |
VAWVSHDSTV C LADADKKMAV |
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| 2 |
70 |
WAPESNRIVT C GTDRNAYVWT |
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